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Numerical simulation of explosive fracturing with smoothed particle hydrodynamics
Guo ZM1,2; Shen YX1; Liu MB(刘谋斌)3
2013
会议名称5th International Conference on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2013
会议日期June 17, 2013 - June 19, 2013
会议地点Santa Eulalia, Ibiza Island, Spain
会议录名称Computational Methods for Coupled Problems in Science and Engineering V - A Conference Celebrating the 60th Birthday of Eugenio Onate, COUPLED PROBLEMS 2013
页码696-707
摘要In this paper we study explosive fracturing with smoothed particle hydrodynamics (SPH). As a particle based Lagrangian method, SPH is particularly suited to the analysis of fracture due to its full Lagrangian frame and capacity to model large deformation. We adopt the Jones-Wilkins-Lee equation as equation of state of the trinitrotoluene (TNT) explosive and a continuum elasto-damage model to predict the fracture of the rock. We predict the evolution of damage using the strain history of each particle. To strengthen the interaction of coupling interfaces we use a penalty function to avoid penetration between different material particles.
关键词Computational methods Equations of state Explosives Fracture Interfaces (materials) Lagrange multipliers Damage model Explosive fracture Mesh free method Rock fractures Smoothed particle hydrodynamics
ISBN号9788494140761
收录类别EI
语种英语
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77984
专题流固耦合系统力学重点实验室
作者单位1.Laboratori de Càlcul Numèric (LaCàN), Universitat Politècnica de Catalunya (UPC BarcelonaTech), Campus Nord, C/ Jordi Girona 1-3, 08034 Barcelona, Spain;
2.School of Mechatronic Engineering, North University of China, Xueyuan Road 3, 030051 Taiyuan, Shanxi, China;
3.Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, 15, Bei Si Huan Xi Lu, Haidian District, Beijing, 100190, China
推荐引用方式
GB/T 7714
Guo ZM,Shen YX,Liu MB. Numerical simulation of explosive fracturing with smoothed particle hydrodynamics[C],2013:696-707.
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